"I went on a school trip last week" 这是最常用的表达方式。
来源：这是一个简单的英语短语，通常用于日常英语交流。
例句：
"Last week I went on a school trip with my classmates." 上周我和同学们一起参加了学校旅行。
"I had a great time on the school trip last week." 上周的学校旅行我玩得很开心。
翻译：
"Last week I went on a school trip with my classmates." 上周我和同学们一起参加了学校旅行。
"I had a great time on the school trip last week." 上周的学校旅行我玩得很开心。